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Topics: Salman Khan, Khan Academy

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Whether the normal force balances the force of gravity for a frozen sock or banana

Topics: Salman Khan, Khan Academy

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916

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Probability of moving to a vertex

Topics: Salman Khan, Khan Academy

4,360
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More intuition of what a derivative is. Using the derivative to find the slope at any point along f(x)=x^2

( 1 reviews )

Topics: Salman Khan, Khan Academy

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Understanding why enthalpy can be viewed as "heat content" in a constant pressure system.

Topics: Salman Khan, Khan Academy

2,134
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Solvent Effects on Sn1 and Sn2 Reactions

Topics: Salman Khan, Khan Academy

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Thinking about elasticity of supply

Topics: Salman Khan, Khan Academy

862
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U06_L1_T3_we3 Solving systems by elimination 3

Topics: Salman Khan, Khan Academy

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Solving the P/E conundrum by looking at a different valuation metric (enterprise value)

Topics: Salman Khan, Khan Academy

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Graphing linear equations

Topics: Salman Khan, Khan Academy

468
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132-134, pg. 289

Topics: Salman Khan, Khan Academy

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U09_L2_T2_we2 Adding fractions with different signs

Topics: Salman Khan, Khan Academy

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u16_l4_t1_we1 Complex Numbers

Topics: Salman Khan, Khan Academy

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Buffers and the Hendersen-Hasselbalch equation

Topics: Salman Khan, Khan Academy

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Overview of how the nephrons in the kidney filter blood and reabsorb water and other molecules.

Topics: Salman Khan, Khan Academy

573
573

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Finding that the orthogonal complement of the orthogonal complement of V is V

Topics: Salman Khan, Khan Academy

437
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u14_l1_t2_we2 Testing Solutions for a System of Inequalities

Topics: Salman Khan, Khan Academy

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Proving that a figure is a parallelogram if and only if opposite sides are congruent

Topics: Salman Khan, Khan Academy

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Dr. Mahadevan of Stanford Medical School shows Sal what misalignment in the neck could look like in an X-ray

Topics: Salman Khan, Khan Academy

830
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U09_L2_T4_we1 Multiplying negative real numbers

Topics: Salman Khan, Khan Academy

867
867

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867

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2a of 2008 Calculus BC exam (free response)

Topics: Salman Khan, Khan Academy

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Use the "shell method" to rotate about the y-axis

Topics: Salman Khan, Khan Academy

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Back of the envelope calculation of which office space to rent

Topics: Salman Khan, Khan Academy

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17-22, simplifying polynomials and algebraic expressions

Topics: Salman Khan, Khan Academy

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650

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650

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CAHSEE Practice: Problems 17-19

Topics: Salman Khan, Khan Academy

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Free Radical Reactions

Topics: Salman Khan, Khan Academy

1,213
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Trigonometry problem involving two ships colliding.

Topics: Salman Khan, Khan Academy

1,302
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Proof of the Cauchy-Schwarz Inequality

Topics: Salman Khan, Khan Academy

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Example of calculating the inverse of a matrix

Topics: Salman Khan, Khan Academy

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How to find the distance between lines using the Pythagorean Formula

Topics: Salman Khan, Khan Academy

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A spring, a frozen loop-d-loop and more! (See if you can find the mistake I made and get the right answer!)

Topics: Salman Khan, Khan Academy

1,508
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Jan 13, 2012
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Standard heat of formation or standard enthalpy change of formation.

Topics: Salman Khan, Khan Academy

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The Paleolithic and Neolithic eras of the Stone Age.

Topics: Salman Khan, Khan Academy

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U06_L1_T1_we3 Converting units of length

Topics: Salman Khan, Khan Academy

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115-119, pgs. 168-169

Topics: Salman Khan, Khan Academy

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Stem and Leaf Plots

Topics: Salman Khan, Khan Academy

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Showing that a triangle with the same point as the orthocenter and centroid is equilateral

Topics: Salman Khan, Khan Academy

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Problems 1-5 starting on page 733

Topics: Salman Khan, Khan Academy

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u18_l2_t1_we4 Solving Logarithmic Equations

Topics: Salman Khan, Khan Academy

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How the banks are connected. What happens when one bank fails.

Topics: Salman Khan, Khan Academy

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Review of balance sheets. Difference between illiquidity and insolvency.

Topics: Salman Khan, Khan Academy

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Put-Call Parity Arbitrage II

Topics: Salman Khan, Khan Academy

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4 example problems of determining the greatest common factor of two numbers by factoring the 2 numbers first

Topics: Salman Khan, Khan Academy

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Using a line integral to find the work done by a vector field example

Topics: Salman Khan, Khan Academy

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Find two numbers whose products is -16 and the sum of whose squares is a minimum.

Topics: Salman Khan, Khan Academy

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Let's use some initial conditions to solve for the particular solution

Topics: Salman Khan, Khan Academy

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Comparing E2 E1 Sn2 Sn1 Reactions

Topics: Salman Khan, Khan Academy

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Problems 18-20 on starting on page 522

Topics: Salman Khan, Khan Academy

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u18_l1_t1_we2 Exponential Application

Topics: Salman Khan, Khan Academy

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Overview of quantitative easing

Topics: Salman Khan, Khan Academy